= пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅпїЅ 21 14 21
| [книга] |
| Слънчева радиация |
| |
| София : Пъблиш-Сай-Сет-Агри |
| 1995 |
ISBN: | 954-14-0011-6 |
| |
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